5. The budgeted variable manufacturing overhead rate is $4 per direct labor-hour. During August, the company incurred $21,850 in variable manufacturing overhead cost. Compute the variable overhead rate and efficiency variances for the month.

Exercise 9-10 Direct Labor and Variable Manufacturing Overhead Variances [LO9-5, LO9-6] Erie Company manufactures a mobile fitness device called the Jogging Mate. The company uses standards to control its costs. The labor standards that have been set for one Jogging Mate are as follows: Standard Hours 18 minutes Standard Rate per Hour $17.00 Standard Cost $5.10 During August, 5,750 hours of direct labor time were needed to make 20,000 units of the Jogging Mate. The direct labor cost totaled $102,350 for the month